| Long before SDRs became commonplace, this sophisticated FM exciter demonstrated how to generate precision wideband transmissions in the 430–...
| Long before SDRs became commonplace, this sophisticated FM exciter demonstrated how to generate precision wideband transmissions in the 430–...
| Can a simple medium-wave radio receive shortwave broadcasts? In 2005, Burkhard Kainka answered that question with a creative two-transistor...
| Spectrum analyzer span can make an RF measurement look convincing while giving the wrong frequency and amplitude. In this Elektor TV excerpt...
| High-frequency circuits have different demands than low-frequency designs like audio. Standard prototyping boards fall short for RF due to t...
| A compact FM wireless microphone turns a simple electret capsule into a short-range transmitter tunable across the FM band. Built around two...
| The ESP32-DIV V2 is an open-source, handheld wireless toolkit built around an ESP32-S3 and a plug-on RF shield, aimed at hands-on RF learnin...
| Discover how a Raspberry Pi, a DDS module, and an ADC come together to form a powerful DIY RF sweep generator for RF testing. This compact s...
| We hosted a hands-on webinar with Sebastian from Baltic Lab on setting up CISPR 25 conducted-emissions tests, separating common- vs differen...
| Build your own Variable Frequency Oscillator (VFO) with a Raspberry Pi Pico! This compact project delivers a tunable signal up to 15 MHz, en...
| Vintage Radio Equipment presents professional receivers and transmitters from 1940 to 1970 with stunning images and outstanding explanations...